Find the following values without a calculator.
Give your answers in this manner. (Eg 0.1, 0.2, 0.3)
- 5.2, 5.3, ____, 5.5
- 2.9, ____, 3.2, 3.35
- 1.3, 1.7, 2.1, _____
(a)
Common difference
= 5.3 - 5.2
= 0.1
Number
= 5.3 + 0.1
= 5.4
(b)
Common difference
= 3.35 - 3.2
= 0.15
Number
= 2.9 + 0.15
= 3.05
(c)
Common difference
= 2.1 - 1.7
= 0.4
Number
= 2.1 + 0.4
= 2.5
Answer(s): 5.4, 3.05, 2.5